CVS commit: src/common/lib/libc/arch/x86_64/string

[David Laight <dsl%netbsd.org@localhost>]

Module Name:    src
Committed By:   dsl
Date:           Sat Jul 18 18:06:56 UTC 2009

Modified Files:
        src/common/lib/libc/arch/x86_64/string: memchr.S

Log Message:
A better memchr().
Always read aligned words, invalidating unwanted bytes in first word,
and checking that any match in the last word is before the buffer end.
No loops apart from the one through the data.


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/common/lib/libc/arch/x86_64/string/memchr.S

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.